John Wiley & Sons, 1980
Buku Teks
Polivka, Raymond P., author
Prentice-Hall, 1975
Buku Teks
Gilman, Leonard, author
John Wiley & Sons, 1976
Buku Teks
Gilman, Leonard, author
John Wiley & Sons, 1983
Buku Teks
Pakin, Sandra, author
Prentice-Hall, 1973
Buku Teks